Signaling device.



S. L. MARTIN & W. A. SMITH.

SIGNALING DEVICE. APPIEIOATION FILED BBQ. 16, 1912.

1,085,989, a Patented Feb. 3, 1914.

WW EEEES 2H4 INVENTEIREM. /@1W 2 M ED STATES PATENT @FFTQE.

SIMON L. MARTIN AND WILLIAM A. SMITH, OF OKLAHOMA, OKLAHOMA.

SIGNALING DEVICE.

Specification of Letters Patent.

Application filed December 16, 1912.

Patented Feb. 3, 191 Serial No. 737,145.

To all whom it may concern:

Be it known that we, SIMON L. MARTIN and WILLIAM A. SMITH, citizens ofthe United States, residing at Oklahoma City, in the county of Oklahomaand State of Oklahoma, have invented a certain new and useful SignalingDevice, of which the following is a specification, reference being hadto the accompanying drawings.

This invention relates to railway switch stands, and more particularlyto that class of such devices wherein the locking instrumentalitiestherefor may be so located as to be free from dangers of tampering andthe intrusion of the elements, and wherein the shifting lever, or otherinstrumentality for throwing the switcii is located remote from the edgeof the device, thus insuring the same against accidental interferencewith objects that may be caused to pass the same.

Included among the objects of the invention are those providing for thethrowing of the switch by a lever, movably mounted, and operatable aboutan axis, which, in turn, causes the automatic presentation of danger andsafety signals, and locking the lever in two or more of its operativepositions, by a unitary locking medium located between the positions ofrest of the lever, which looking mechanism operates from one key to lockor unlock the lever in either of its positions, and which is protectedfrom tampering, and from the elements.

Additional objects of the invention will become apparent from a furtherreading of the spectification, taken in connection with the sheet ofdrawings accompanying and forming a part of the same.

A practical embodiment of the invention is illustrated on the sheet ofdrawings, accompanying this specification, whereon,

Figure 1 illustrates an elevational view of a mechanism embodying theinvention. Fig. 2 is a plan view thereof, Fig. 3 is a fragmental andsectional view of the lock, Fig. 4: is a fragment of the lever, Fig. 5is a detail of the lock, Fig. 6 is an elevational view of a solid key,and Fig. 7 is an end elevational view thereof.

In these figures, similar characters of reference indicate similarparts.

A table or plate 8, is provided with lugs 9 in order that the same maybe properly attached to suitable standards, such, for instance as areillustrated in dotted lines, or,

during the manufacture of the devices, legs may be made for the same, orthe table may be cast with them attached. From this table 8 extends astaff 10, which is movably mounted in connection with said table, andthis staff is provided with the usual signals, such as are in commonuse, and means may be provided where the lamp may be situatedthesefeatures, forming no part of the invention are partially omitted. Thestaff 10 extends through and to the under side of the table andterminates in an arm 11, adapted to receive connections from the switch.

A lever 12 is associated with the staff 10, in order that when the leveris swung about the table 8, the staff 10 will also turn to eX- hibiteither the danger signal 13 or the safety signal 14. This lever, in thepresent instance is carried in a housing 15, that is formed to ride onthe upper face of the table 8, said lever being pivot-ed, as at 16 insaid housing while the free end and the body thereof is adapted to moveacross the table top or into radially located passages or slots 18located in the table 8. The lever is so pivoted in position in thehousing 15 as to cause the lever 12, when in perpendicular position, tolocate substantially remote from the edge of said table, and thereforethat edge will serve to protect the lever, while in depending positionfrom the ordinary accidental interferences that levers of such natureare subjected to, therefore increasing the life and usefulness of suchelements.

In order to limit the movement of the housing 15, and therefore insurethe introduction of the lever 12 into either of the slots 18, during theshifting of the standard 10, stops 19 are provided upon the face of thetable, against which the housing 15 will take.

It is the design of this invention to lock the lever 12 in either of itspositions, and in the slots 18 by one look, which, in the presentinstance is located between the radial slots 18 and is provided with twoopposed tongues 20, that, in the present instance are borne by two barsthat are nested in a cavity in the body of the table, and the tongues 20protrude through the walls 22 of the slots and into the path of thelever 12, which, in the present instance is provided with means toengage with said tongues, which means, in the present instance comprisesan opening 23 in the body of the lever. The locking elements of the lockare normally pressed into position for locking by a spring 24: that, inthe present instance is located between the bars. lhe locking means, solong as they are located between the slots 18 and adapted to lock andunlock the lever by one operation of the key, may be oi any othersuitable construction best adapted to produce beneficial results.

A key consisting of a stem 25, handle or thumb-piece 26 and wings 27 isprovided, and the wings 27 of this key pass under and grip the side ofthe bars 28 of the locking elements, and as the key is turned, in onedirection or another, so will the tongues 20 recede from their normalposition and allow the removal of the lever from its locked position.The stem of the key is solid, which is a desirable feature for specialrailroad use, because hollow keys are looked upon by railway men ashighly objectionable.

It will be. now seen that there is provided a practical form ofsignaling device, one having means for shifting the signaling apparatusfrom one position to another, and that said means are not Only protectedfrom the elements at the pointof their operation, but also that the samemay be locked in position by means that are remote from in: trusion bythe elements and are inaccessible by those who would tamper with thesame.

It is also to be noticed that the lever by which the switch is operatedis likewise protected against accidents to which such devices are liabledue to interference where such elements protrude out of the line of suchdevices. It will again be specially noticed that a unitary lockingdevice is adapted to lock the lever in either of: its positions.

Having thus described this invention we claim:

A device of the kind set forth including; rotatably mounted means tooperate a signal from one to another position, a stationary table overwhich said means move having radial slots into which said means may beshifted, a lock nested in the table having tongues movable into saidslots and means to limit the movement of the means.

Signed at Oklahoma, in the county and State of Oklahoma, this 4th day ofDecember, in the year of our Lord, nineteen bun dred and twelve.

SIMON L. MARTIN. lVlLLIAM A. SMITH.

lVitnesses H. V. KAI-111E, M. M. SMITH.

Copies oi this patent may be obtained for five cents each, by addressingthe Commissioner 01' Patents,

Washington. D. G.

